The Effects of the Addition of Secondary Phyllosilicate Minerals on the Decomposition Process and Products of Maize Straw in Black Soil
The interaction between secondary phyllosilicate minerals and straw is crucial for preserving soil organic carbon (SOC) and fertility. However, the specific mechanism through which these minerals affect straw decomposition and its products in northeast China’s black soil remains unclear. In this stu...
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MDPI AG
2025-01-01
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| Series: | Agronomy |
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| author | Qi Zhao Hongbin Wang Chenyu Zhao Jinhua Liu Ning Huang Biao Sui Luze Yang Nan Wang Xingmin Zhao |
| author_facet | Qi Zhao Hongbin Wang Chenyu Zhao Jinhua Liu Ning Huang Biao Sui Luze Yang Nan Wang Xingmin Zhao |
| author_sort | Qi Zhao |
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| description | The interaction between secondary phyllosilicate minerals and straw is crucial for preserving soil organic carbon (SOC) and fertility. However, the specific mechanism through which these minerals affect straw decomposition and its products in northeast China’s black soil remains unclear. In this study, montmorillonite, illite, and vermiculite were mixed with quartz sand and maize straw, inoculated with microbes, and incubated to analyze the effects of different secondary phyllosilicate minerals on the degradation of organic components in maize straw and the formation of soil humus. The results showed that montmorillonite significantly facilitated the decomposition of maize straw hemicellulose and lignin, which decreased by 95.85% and 76.38%, respectively. Conversely, vermiculite decelerated hemicellulose and lignin degradation. Regarding soil organic acids, lactic acid and malic acid were predominant, with the highest content being found after the montmorillonite treatment. Montmorillonite was the most effective in enhancing extractable humic-like substances, which increased by 71.68%. Montmorillonite increased the content of G0 (water dispersion group), G1 (sodium ion dispersion group), and G2 (sodium grinding dispersion group) complexes. The addition of secondary phyllosilicate minerals increased the organic carbon (OC) content in the G0, G1, and G2 samples, with montmorillonite demonstrating the most pronounced effect. Secondary phyllosilicate minerals increased the abundance of fungi, particularly <i>Ascomycota</i>, with the highest abundance being found after the montmorillonite treatment. In conclusion, our results indicated that montmorillonite facilitated the decomposition of lignocellulose in maize straw, enhanced the accumulation of humus, and promoted the formation of organic–mineral complexes. These findings provide valuable insights into the interaction between secondary phyllosilicate minerals and maize straw and have important implications for improving the quality of black soil in northeast China. |
| format | Article |
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| institution | OA Journals |
| issn | 2073-4395 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
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| series | Agronomy |
| spelling | doaj-art-ae161c3826334b038104f133a5f005d52025-08-20T02:01:20ZengMDPI AGAgronomy2073-43952025-01-0115231610.3390/agronomy15020316The Effects of the Addition of Secondary Phyllosilicate Minerals on the Decomposition Process and Products of Maize Straw in Black SoilQi Zhao0Hongbin Wang1Chenyu Zhao2Jinhua Liu3Ning Huang4Biao Sui5Luze Yang6Nan Wang7Xingmin Zhao8College of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaCollege of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaCollege of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaCollege of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaCollege of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaCollege of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaCollege of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaCollege of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaCollege of Resources and Environment, Jilin Agricultural University, Changchun 130118, ChinaThe interaction between secondary phyllosilicate minerals and straw is crucial for preserving soil organic carbon (SOC) and fertility. However, the specific mechanism through which these minerals affect straw decomposition and its products in northeast China’s black soil remains unclear. In this study, montmorillonite, illite, and vermiculite were mixed with quartz sand and maize straw, inoculated with microbes, and incubated to analyze the effects of different secondary phyllosilicate minerals on the degradation of organic components in maize straw and the formation of soil humus. The results showed that montmorillonite significantly facilitated the decomposition of maize straw hemicellulose and lignin, which decreased by 95.85% and 76.38%, respectively. Conversely, vermiculite decelerated hemicellulose and lignin degradation. Regarding soil organic acids, lactic acid and malic acid were predominant, with the highest content being found after the montmorillonite treatment. Montmorillonite was the most effective in enhancing extractable humic-like substances, which increased by 71.68%. Montmorillonite increased the content of G0 (water dispersion group), G1 (sodium ion dispersion group), and G2 (sodium grinding dispersion group) complexes. The addition of secondary phyllosilicate minerals increased the organic carbon (OC) content in the G0, G1, and G2 samples, with montmorillonite demonstrating the most pronounced effect. Secondary phyllosilicate minerals increased the abundance of fungi, particularly <i>Ascomycota</i>, with the highest abundance being found after the montmorillonite treatment. In conclusion, our results indicated that montmorillonite facilitated the decomposition of lignocellulose in maize straw, enhanced the accumulation of humus, and promoted the formation of organic–mineral complexes. These findings provide valuable insights into the interaction between secondary phyllosilicate minerals and maize straw and have important implications for improving the quality of black soil in northeast China.https://www.mdpi.com/2073-4395/15/2/316secondary phyllosilicate mineralsstraw decompositionextractable humic-like substancesorganic–mineral complexes |
| spellingShingle | Qi Zhao Hongbin Wang Chenyu Zhao Jinhua Liu Ning Huang Biao Sui Luze Yang Nan Wang Xingmin Zhao The Effects of the Addition of Secondary Phyllosilicate Minerals on the Decomposition Process and Products of Maize Straw in Black Soil Agronomy secondary phyllosilicate minerals straw decomposition extractable humic-like substances organic–mineral complexes |
| title | The Effects of the Addition of Secondary Phyllosilicate Minerals on the Decomposition Process and Products of Maize Straw in Black Soil |
| title_full | The Effects of the Addition of Secondary Phyllosilicate Minerals on the Decomposition Process and Products of Maize Straw in Black Soil |
| title_fullStr | The Effects of the Addition of Secondary Phyllosilicate Minerals on the Decomposition Process and Products of Maize Straw in Black Soil |
| title_full_unstemmed | The Effects of the Addition of Secondary Phyllosilicate Minerals on the Decomposition Process and Products of Maize Straw in Black Soil |
| title_short | The Effects of the Addition of Secondary Phyllosilicate Minerals on the Decomposition Process and Products of Maize Straw in Black Soil |
| title_sort | effects of the addition of secondary phyllosilicate minerals on the decomposition process and products of maize straw in black soil |
| topic | secondary phyllosilicate minerals straw decomposition extractable humic-like substances organic–mineral complexes |
| url | https://www.mdpi.com/2073-4395/15/2/316 |
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